Front-runner Mark Carney and underdog Chrystia Freeland, both established, centrist policymakers, are vying to succeed Justin Trudeau amid grave threats to Canada from the United States.

Frontrunners include Chrystia Freeland and Mark Carney, who are making the case they can guide Canada through domestic and international issues. At the top of the list: mounting trade tensions with the United States.

Canada’s Liberal Party on Sunday will select a new leader to replace Justin Trudeau as prime minister and navigate the challenges posed by US President Donald Trump.